Abstract Arbitrary Geometric Background derived from an image on Pixabay.
Source GDJ
Spice up your next school project with this icon background.
Source Swetha
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
A bit of scratched up grayness. Always good.
Source Dmitry
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Green Web Background, Seamless tile.
Source V. Hartikainen
Background formed from the original with an emboss effect
Source GDJ
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Here's a new paper-like background for free use on personal and commercial projects (this applies to all background patterns here).
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Continuing the geometric trend, here is one more.
Source Mike Warner
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Retro Circles Background 8 No Black
Source GDJ
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
If you need a green background for your blog/website, try this one. Remember that Green Striped Background is seamlessly tileable.
Source V. Hartikainen
A seamless tessellation pattern. To get the tile this is formed from, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen